From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Tue, 12 Nov 2024 18:26:34 +0000 (+0100)
Subject: x86/sgx: Use vmalloc_array() instead of vmalloc()
X-Git-Tag: v6.13-rc1~120^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f060c89dc1a3cfb6db3894e1d96980a568aa355c;p=thirdparty%2Flinux.git

x86/sgx: Use vmalloc_array() instead of vmalloc()

Use vmalloc_array() instead of vmalloc() to calculate the number of
bytes to allocate.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/all/20241112182633.172944-2-thorsten.blum%40linux.dev
---

diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 9ace84486499b..1a59e5956f4b4 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -630,7 +630,7 @@ static bool __init sgx_setup_epc_section(u64 phys_addr, u64 size,
 	if (!section->virt_addr)
 		return false;
 
-	section->pages = vmalloc(nr_pages * sizeof(struct sgx_epc_page));
+	section->pages = vmalloc_array(nr_pages, sizeof(struct sgx_epc_page));
 	if (!section->pages) {
 		memunmap(section->virt_addr);
 		return false;